// The MIT License
//
// Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
//
// Copyright (c) 2020 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

package tasks

// DeleteWorkflowExecutionStage used by ContextImpl.DeleteWorkflowExecution to indicate progress stage.
type DeleteWorkflowExecutionStage byte

const (
	DeleteWorkflowExecutionStageNone DeleteWorkflowExecutionStage = 0
)

const (
	DeleteWorkflowExecutionStageVisibility DeleteWorkflowExecutionStage = 1 << iota
	DeleteWorkflowExecutionStageCurrent
	DeleteWorkflowExecutionStageMutableState
	DeleteWorkflowExecutionStageHistory
)

func (s *DeleteWorkflowExecutionStage) MarkProcessed(stage DeleteWorkflowExecutionStage) {
	if s == nil {
		return
	}
	*s |= stage
}
func (s *DeleteWorkflowExecutionStage) IsProcessed(stage DeleteWorkflowExecutionStage) bool {
	return s != nil && *s&stage == stage
}
